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<Title>Enhanced Area Chart</Title>
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<p class="heading0">ChartDirector 7.0 (Java Edition)</p>
<p class="heading1">Enhanced Area Chart</p>
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<img src="images/enhancedarea.jpg" width='610' height='370'>
<br><br>
This example extends the <a href="simplearea.htm">Simple Area Chart</a> example by decorating the chart using a number of chart formatting features.<br><br>
<ul><li> The brushed silver background is achieved by using <a href="Chart.brushedSilverColor.htm">Chart.brushedSilverColor</a> to create the brushed silver color, then use it in <a href="XYChart.XYChart.htm">XYChart.XYChart</a> as the chart background color.<br><br>
<li> The rounded frame is configured using <a href="BaseChart.setRoundedFrame.htm">BaseChart.setRoundedFrame</a>.<br><br>
<li> The soft drop shadow is configured using <a href="BaseChart.setDropShadow.htm">BaseChart.setDropShadow</a>.<br><br>
<li> Add a title to the chart using <a href="BaseChart.addTitle.htm">BaseChart.addTitle</a>. The title text is represented using <a href="cdml.htm">CDML</a> to include star icons in the text.<br><br>
<li> Add a transparent box using <a href="BaseChart.addText.htm">BaseChart.addText</a> and <a href="Box.setSize.htm">Box.setSize</a>, with a depressed 3D border configured with <a href="Box.setBackground.htm">Box.setBackground</a> and rounded corners configured with <a href="Box.setRoundedCorners.htm">Box.setRoundedCorners</a>. The box is for decorative purpose and acts as the border for the chart contents excluding the title.<br><br>
<li> Set the background, border and grid colors of the plot area using <a href="XYChart.setPlotArea.htm">XYChart.setPlotArea</a>.<br><br>
<li> Add titles to the axes using <a href="Axis.setTitle.htm">Axis.setTitle</a>.<br><br>
<li> Set the axis widths using <a href="Axis.setWidth.htm">Axis.setWidth</a>.<br><br>
<li> Use a semi-transparent gradient color as the area color. The gradient color is created using <a href="BaseChart.linearGradientColor.htm">BaseChart.linearGradientColor</a>.<br><br>
<li> Add a logo at the bottom right corner of the plot area as custom text using <a href="BaseChart.addText.htm">BaseChart.addText</a> with <a href="Chart.BottomRight.htm">BottomRight</a> alignment. The logo includes images and text encoded using <a href="cdml.htm">CDML</a>.</ul>
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<p class="heading1a">Source Code Listing</p>
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<b>[JSP Version]</b> jspdemo/enhancedarea.jsp
<div class='codeblock'><code class='pre'>&lt;%@page import="ChartDirector.*, java.util.*" %&gt;
&lt;%
// The data for the area chart
double[] data = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35, 50, 66, 56,
    48, 52, 65, 62};

// The labels for the area chart
String[] labels = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14",
    "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"};

// Create a XYChart object of size 600 x 360 pixels, with a brushed silver background, 1 pixel 3D
// border effect, rounded corners and soft drop shadow.
XYChart c = new XYChart(600, 360, Chart.brushedSilverColor(), Chart.Transparent, 1);
c.setRoundedFrame();
c.setDropShadow();

//Set search path to current JSP directory for loading icon images
c.setSearchPath(getServletConfig().getServletContext(), request);

// Add a title box to the chart using 18pt Times Bold Italic font.
TextBox title = c.addTitle(
    "&lt;*block,valign=absmiddle*&gt;&lt;*img=star.png*&gt;&lt;*img=star.png*&gt; Performance Enhancer " +
    "&lt;*img=star.png*&gt;&lt;*img=star.png*&gt;&lt;*/*&gt;", "Times New Roman Bold Italic", 18);

//
// Use a text box with a depressed 3D border to create the inner depressed region
//

// The width of the frame border
int frameWidth = 5;

// Set the depressed region position
TextBox contentBox = c.addText(frameWidth, title.getHeight(), "");
contentBox.setSize(c.getDrawArea().getWidth() - 1 - frameWidth * 2, c.getDrawArea().getHeight() -
    title.getHeight() - frameWidth - 1);

// Use -1 as the rasied effect to create a depressed region
contentBox.setBackground(Chart.Transparent, Chart.Transparent, -1);

// Set rounded corners, and put the text box at the back of the chart
contentBox.setRoundedCorners(10);
contentBox.setZOrder(Chart.ChartBackZ);

// Tentatively set the plotarea to 50 pixels from the left depressed edge, and 25 pixels under the
// top depressed edge. Set the width to 75 pixels less than the depressed region width, and the
// height to 75 pixels less than the depressed region height. Use white (ffffff) background,
// transparent border, and grey (cccccc) horizontal and vertical grid lines.
PlotArea plotArea = c.setPlotArea(50 + contentBox.getLeftX(), contentBox.getTopY() + 25,
    contentBox.getWidth() - 75, contentBox.getHeight() - 75, 0xffffff, -1, -1, 0xcccccc, -1);

// Add a title to the y axis
c.yAxis().setTitle("Energy Concentration (KJ per liter)");

// Set the labels on the x axis.
c.xAxis().setLabels(labels);

// Display 1 out of 3 labels on the x-axis.
c.xAxis().setLabelStep(3);

// Add a title to the x axis using CDML
c.xAxis().setTitle("&lt;*block,valign=absmiddle*&gt;&lt;*img=clock.png*&gt;  Elapsed Time (hour)&lt;*/*&gt;");

// Set the axes width to 2 pixels
c.xAxis().setWidth(2);
c.yAxis().setWidth(2);

// Add an area layer to the chart using a gradient color that changes vertically from
// semi-transparent red (60ff0000) to semi-transparent white (60ffffff)
c.addAreaLayer(data, c.linearGradientColor(0, contentBox.getTopY() + 20, 0, contentBox.getTopY() +
    contentBox.getHeight() - 50, 0x60ff0000, 0x60ffffff));

// Adjust the plot area size, such that the bounding box (inclusive of axes) is 15 pixels from the
// left depressed edge, 25 pixels below the top depressed edge, 25 pixels from the right depressed
// edge, and 15 pixels above the bottom depressed edge.
c.packPlotArea(contentBox.getLeftX() + 15, contentBox.getTopY() + 25, contentBox.getLeftX() +
    contentBox.getWidth() - 25, contentBox.getTopY() + contentBox.getHeight() - 15);

// Add a custom CDML text with the bottom right corner is anchored to the bootom right corner of the
// plot area, with 5 pixels margin.
c.addText(plotArea.getLeftX() + plotArea.getWidth() - 5, plotArea.getTopY() + plotArea.getHeight() -
    5,
    "&lt;*block,valign=absmiddle*&gt;&lt;*img=small_molecule.png*&gt; &lt;*block*&gt;&lt;*font=Times New Roman Bold " +
    "Italic,size=10,color=804040*&gt;Molecular\nEngineering&lt;*/*&gt;").setAlignment(Chart.BottomRight);

// Output the chart
WebChartViewer viewer = new WebChartViewer(request, "chart1");
viewer.setChart(c, Chart.SVG);

// Include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("", "", "title='Hour {xLabel}: {value} KJ/liter'"));
%&gt;
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
    &lt;title&gt;Enhanced Area Chart&lt;/title&gt;
    &lt;!-- Include ChartDirector Javascript Library to support chart interactions --&gt;
    &lt;script type="text/javascript" src="cdjcv.js"&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body style="margin:5px 0px 0px 5px"&gt;
    &lt;div style="font:bold 18pt verdana;"&gt;
        Enhanced Area Chart
    &lt;/div&gt;
    &lt;hr style="border:solid 1px #000080; background:#000080" /&gt;
    &lt;div style="font:10pt verdana; margin-bottom:1.5em"&gt;
        &lt;a href="viewsource.jsp?file=&lt;%=request.getServletPath()%&gt;"&gt;View Source Code&lt;/a&gt;
    &lt;/div&gt;
    &lt;!-- ****** Here is the chart image ****** --&gt;
    &lt;%= viewer.renderHTML(response) %&gt;
&lt;/body&gt;
&lt;/html&gt;</code></div>
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<br><hr class="separator"><div class="copyright">&copy; 2022 Advanced Software Engineering Limited. All rights reserved.</div>
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